Dead driver on '165?

[CSH-HQ]

I might need correcting, but I thought it needed to be 50% duty cycle.
This has been mentioned before, but I forget if here or DIY
Grumpy

>Running on the bench?  Are you sure pin D10 is grounded?
>
>Yep, bolted straight to the battery.
>
>>Got a scope, good.  Take the ECM cover off and take a look at the signal 
>>on the gate of the output driver.  The one with the big hunk of metal
>>attached to it. 
>
>On the gate (most inboard pin, I'm looking at the G on the board) there
>seems to be a pulse.  The other pins are all flatline.  
>
>Scoping the VATS line, I've got a square wave about 30ms wide, 5v peak to
>peak.  I've tried pulse widths from 10 to 40ms with no improvement 
>
>>Scot Sealander
>
>
>--> Bob Valentine
>--> bob at tecmark.com
>